<?php
namespace app\admin\model;

use think\Model;

class BaseModel extends Model
{
    

  public  function param_error()
  {
      $_arr['flag'] = -1;
      $_arr['msg'] = '参数错误';
      $_arr['data'] = '';
      return json($_arr);
  }
  
  protected function returnError($errorMsg='')
  {
      $_arr['flag'] = -1;
      $_arr['msg'] = $errorMsg;
      $_arr['data'] = '';
      return json($_arr);
  }
  
  protected function returnAlert($alertMsg='')
  {
      $_arr['flag'] = 1;
      $_arr['msg'] = $alertMsg;
      $_arr['data'] = '';
      return json($_arr);
  }
  
  protected function returnOk($data='')
  {
      $_arr['flag'] = 0;
      $_arr['msg'] = '';
      $_arr['data'] = $data;
      return json($_arr);
  }
}